16989948

素因数分解:

$2^2\times 3^2\times {\mathrm{471943}}^1$

素因数の和:471953

約数の個数: 18

約数和(自身を含む): 42946904

約数和(自身を除く): 25956956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 471943, 943886, 1415829, 1887772, 2831658, 4247487, 5663316, 8494974, 16989948]

約数ペア:

[(1, 16989948), (2, 8494974), (3, 5663316), (4, 4247487), (6, 2831658), (9, 1887772), (12, 1415829), (18, 943886), (36, 471943)]